25. 'Naval Staff monographs (historical) vol 4 no 15 - Naval operations in Mesopotamia and the Persian Gulf' Date: 1921/1921 Language: English Extent: 73 folios
26. 'B 299. Mesopotamia. Note on Demobilisation by Civil Commissioner, Baghdad.' Contributor: Civil Commissioner, Mesopotamia (author) Date: 1918/1918 Language: English Geographic region: MesopotamiaBaghdad Extent: 4 folios
27. Coll 34/11 'Slavery and Slave Trade: Red Sea, Arabia and Persian Gulf: Investigations by Sir George Maxwell' Contributor: League of Nations, Advisory Committee of Experts on Slavery (correspondent; subject)Persian Gulf Political Residency (correspondent) Date: 1936/1939 Language: English Extent: 1 file (338 folios)
28. Coll 28/57 ‘Persia. Perso-Turkish relations; Treaty of Friendship & Security’ Contributor: British Legation, Tehran (correspondent)HM Ambassador to the Republic of Turkey (correspondent) Date: 1932/1940 Language: EnglishFrench Geographic region: MarbishuTurkey Extent: 1 file (77 folios)
29. 'File 8/65 IV MUSCAT STATE AFFAIRS: RENEWAL OF COMMERCIAL TREATY.' Contributor: Political Resident, Persian Gulf (correspondent)Secretary of State for India and Burma, United Kingdom (correspondent)Foreign Office (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Colonial Office (correspondent)Dominions Office (correspondent) Date: 1938/1941 Language: EnglishArabic Extent: 1 file (244 folios)
30. 'File 1/28 Superintendent, Political Agency, Bahrain' Date: 1933/1944 Language: English Extent: 1 file (431 folios)
31. Coll 29/96 'Treatment of local employees at consular posts in Persia in the event of an evacuation' Contributor: Foreign Office (correspondent)Government of India (correspondent)HM Treasury (correspondent) Date: 1941/1942 Language: English Geographic region: Iran Extent: 1 file (9 folios)
32. Coll 5/60(2) ‘Afghanistan: Further purchase of Hind aircraft from UK by Afghan Govt’ Contributor: Air Ministry (correspondent)Foreign Office (correspondent)Indian Political Service, External Affairs Department (correspondent)HM Ambassador to Afghanistan (correspondent) Date: 1938/1944 Language: English Geographic region: Afghanistan Extent: 1 file (537 folios)
33. Coll 29/36 'Kerman: consulate buildings' Contributor: British Consulate (correspondent; subject)Government of India (correspondent)Persian Gulf Political Residency (correspondent)British Legation, Tehran (correspondent)Foreign Office (correspondent)Viceroy and Governor-General of India in Council (correspondent) Date: 1923/1940 Language: English Extent: 1 file (107 folios)
34. Ext 2446/47 'Observance of celebrations in Persian Gulf' Contributor: Secretary of State for Commonwealth Relations (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1947/1947 Language: English Geographic region: Persian Gulf Extent: 1 file (6 folios)
35. PZ 236/41 'Disturbances on the Trucial Coast.' Contributor: Political Agent and Consul, Muscat (correspondent)Political Resident, Persian Gulf (correspondent)Secretary of State for India, United Kingdom (recipient) Date: 1941/1941 Language: English Geographic region: IbriAinaneDhahirah Extent: 1 file (24 folios)
36. Coll 30/196 ‘Persian Gulf Defence. Muscat. War Subsidy’ Contributor: Political Agent and Consul (correspondent)Political Resident, Persian Gulf (correspondent)Foreign Office (correspondent)Indian Political Service, External Affairs Department (correspondent)Air Ministry (correspondent)HM Treasury (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent; subject)Admiralty (correspondent) Date: 1938/1951 Language: English Geographic region: Muscat Extent: 1 file (430 folios)